Source: Hafellner, J., & Grube, M. (2023). Arthonia epipolytropa and Arthonia subclemens, two new lichenicolous species on Lecanora polytropa, with a key to the microfungi known on this common species. The Lichenologist, 55(5), 241-251. doi:10.1017/S0024282923000397
